Hi,
On 31.03.2014 10:45, Willy Tarreau wrote:
> On Thu, Mar 27, 2014 at 08:57:09PM -0400, Rajat Chopra wrote:
>> Hi!
>> This solution very much solves the problem that I have been facing i.e.
>> large number of acl rules causing latency in requests. Been in discussions
>> separately about it and today I got a chance to test out this patch. I
>> report that it works great! I have been able to route 150k backends with
>> this and the latency added because of the dynamic lookup is in order of
>> microseconds (compared to 24ms earlier).
>>
>>
>> The usage 'use_backend bk_%[hdr(Host)] if TRUE' works for my use-case but
>> originally I was wondering if one could do a map based lookup for the
>> backend.
>> As posted here :
>> http://stackoverflow.com/questions/22025412/how-to-use-thousands-of-backends-in-haproxy-is-the-new-map-feature-useful-for-t
>>
>> Most of the issues in the above question are now solved, but I tested this
>> with the patch ->
>> use_backend bk_%[hdr(Host), map(host_to_backend_map.file)] if TRUE
>>
>> And it does not work. I am not yet familiar with code to determine why this
>> does not work. Again, the current proposal works well for me but an
>> enhancement should probably consider using maps within dynamic lookup.
>>
>> +1 for the patch.
> OK so in the absence of any other comment, I just merged it.
Could you add an example of such an /etc/haproxy/static/proxy.pac.cust1
file?
> thanks!
> Willy
>
>
>
cheers,
thomas
